11216500 has 24 divisors (see below), whose sum is σ = 24497928. Its totient is φ = 4486400.

The previous prime is 11216477. The next prime is 11216501. The reversal of 11216500 is 561211.

It is a happy number.

11216500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7396 + 11209104 = 86^2 + 3348^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11216501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10717 + ... + 11716.

It is an arithmetic number, because the mean of its divisors is an integer number (1020747).

Almost surely, 2^11216500 is an apocalyptic number.

11216500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11216500 is an abundant number, since it is smaller than the sum of its proper divisors (13281428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11216500 is a wasteful number, since it uses less digits than its factorization.

11216500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22452 (or 22440 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 11216500 is about 3349.1043578844. The cubic root of 11216500 is about 223.8476057412.

Adding to 11216500 its reverse (561211), we get a palindrome (11777711).

The spelling of 11216500 in words is "eleven million, two hundred sixteen thousand, five hundred".